#ifndef __BOOT_ASM_H__
#define __BOOT_ASM_H__

/* Assembler macros to create x86 segments */

/* Normal segment */
#define SEG_NULLASM												\
	.word 0, 0;													\
	.byte 0, 0, 0, 0

#define SEG_ASM(type,base,lim)									\
	.word (((lim) >> 12) & 0xffff), ((base) & 0xffff);			\
	.byte (((base) >> 16) & 0xff), (0x90 | (type)),				\
		(0xC0 | (((lim) >> 28) & 0xf)), (((base) >> 24) & 0xff)


/* Application segment type bits */
#define STA_X		0x8		// Executable segment
#define STA_E		0x4		// Expand down (non-executable segments)
#define STA_C		0x4		// Conforming code segment (executable only)
#define STA_W		0x2		// Writeable (non-executable segments)
#define STA_R		0x2		// Readable (executable segments)
#define STA_A		0x1		// Accessed

#endif /* !__BOOT_ASM_H__ */

